Rubser-mold



H. F. MARANVILLE.

RUBBER MOLD.

APFUCATION FILED SEPT.9,1918.

Patented Aug. 17, 1920.

To all wIlL-0m t 72mg/ am Y 'es of pins 2 which :ffo' Bc il: known J@lut i, simili' e liuislied licei Ll. rl" viLLu, :L citizen of llic llmcfl is scxvc as e smilie-r; for the was ing :it lncii, in lic coun-5y oi bummi 5 "which muy be iuseicf" ii the lieel if dcsiio, 5 citate of Ghio, have invented ccieiu newg The centi-ul plaie is designated ai; :i and useful Improvements in iluoliei/iolds7 is p o'fidecl wi". :i series of 7ities (5 cf the of which the following i c spociimiou. shape of thc article to be moleil, lic czviif s@ in 'the manufacture oi molds-,il articles of being; suviouuclcd 3V u i'ziiscfl Wall oi' locallrulobei' 01' similar compositions, l luis bccn iw .i ouei edges designed go 10 the practice to allow tlf-ie mold to :nui lower mold plaies sligli'tly so that i ie excess rubber escape uit eli-.ose ci? escupe around the edge` lie mold in cui-line will lie given 'czi iin or bui' around iii. i ibou che cmfiey is mi be 'l zii-ticle, wli'icli luis to fore the :ii-ticle cmi The timiuiiig of lie expensive operation :ma

this invention to olii-'Mec sity for tliis W051i l propose o accongglisli liis pujose oy design of mold coiisiuciiou which 'll cause all of alle excess rub )c i in the moi l i be oi'cccl out at che moid 'with simim that a clean liiiisii article and lie ovciliow, oi' will, :is z general iule ieiuaiiii when lle eiicle is ieiuovml. 'll-.ow (loes not entirely ccm@ oi only e slight ieiuiizml: will lie be easily i'emoveal ci' is sulicieuly l io be left on the article, y i

The invention is shown in masculino willi a, gang; lieel mold, 1ouiy il; uo lin'ued o fue Immufacuie of these articles as the piiuci @les me :molicell man cles of :Elie ci) ,1* changes milieu: .e the vil; of 'Llie invention oi:

'A molo or rullier heels or the like comprising top lo tam pla-tes, a central constructed in accordance with the invention 1n which- 45 Figure l is a plan View of a l of plete provided li v cavity, passing wn0* Irolcl hioufm lie pla edge about s@ the througl'l the plate, e raised edge about said cavity having n tight [it with the surfaces of said top and bottom plates, and :L vent located in the top plate and communicating with the mold cavity.

3. A mold for rubber heels or the like comprising top and bottom plates, a central plate provi ded with :t Cavity passing through the plate, the Walls about said cavity having Close fitting Contact with said top and bottom plates, and a vent located in one of said plates and communicating with the mold cuvi't IARVEY F. MARANVLLE. 

